1900–1999

The 20th century

Whose names filled the books of the 20th century — anyone at all, however long dead — counted as mentions per million words printed, so a period that simply published more does not inflate anyone.

Talked about then

Whose names appeared most in Spanish books during the 20th century — whenever they lived.

  1. 1John of GodJohn of God1495–1550 · 16th century · 🇵🇹 Portugal6.9
  2. 2Lope de VegaLope de Vega1562–1635 · 16th century · 🇪🇸 Spain · Writers6.6
  3. 3Francis XavierFrancis Xavier1506–1552 · 16th century · 🇪🇸 Spain · Writers5.4
  4. 4Rubén DaríoRubén Darío1867–1916 · 20th century · Writers4.5
  5. 5Simón BolívarSimón Bolívar1783–1830 · 19th century · 🇪🇸 Spain · Politicians4.2
  6. 6Christopher ColumbusChristopher Columbus1451–1506 · 15th century · 🇮🇹 Italy · Historical Figures3.5
  7. 7Andrés BelloAndrés Bello1781–1865 · 19th century · Politicians3.5
  8. 8Porfirio DíazPorfirio Díaz1830–1915 · 19th century · 🇲🇽 Mexico · Politicians3.2
  9. 9Fidel CastroFidel Castro1926–2016 · 20th century · Politicians3.0
  10. 10Hernán CortésHernán Cortés1485–1547 · 16th century · 🇪🇸 Spain · Historical Figures2.9
  11. 11JFJuan Fernández1529–1602 · 16th century · 🇪🇸 Spain · Historical Figures2.4
  12. 12John of the CrossJohn of the Cross1542–1591 · 16th century · 🇪🇸 Spain · Writers2.3
  13. 13Bartolomé MitreBartolomé Mitre1821–1906 · 19th century · 🇦🇷 Argentina · Politicians2.3
  14. 14Gonzalo PizarroGonzalo Pizarro1502–1548 · 16th century · 🇪🇸 Spain · Historical Figures2.2
  15. 15Benito JuárezBenito Juárez1806–1872 · 19th century · 🇲🇽 Mexico · Politicians2.2
  16. 16Antonio MachadoAntonio Machado1875–1939 · 20th century · 🇪🇸 Spain · Writers2.1
  17. 17José de San MartínJosé de San Martín1778–1850 · 19th century · 🇦🇷 Argentina · Politicians2.0
  18. 18Teresa of ÁvilaTeresa of Ávila1515–1582 · 16th century · 🇪🇸 Spain · Writers1.9
  19. 19Francisco PizarroFrancisco Pizarro1478–1541 · 16th century · 🇪🇸 Spain · Historical Figures1.8
  20. 20Miguel de CervantesMiguel de Cervantes1547–1616 · 16th century · 🇪🇸 Spain · Writers1.7
  21. 21Eva PerónEva Perón1919–1952 · 20th century · 🇦🇷 Argentina · Actors1.7
  22. 22Bartolomé de las CasasBartolomé de las Casas1484–1566 · 16th century · 🇪🇸 Spain · Writers1.7
  23. 23Miguel de UnamunoMiguel de Unamuno1864–1936 · 19th century · 🇪🇸 Spain · Writers1.6
  24. 24Juan Ramón JiménezJuan Ramón Jiménez1881–1958 · 20th century · 🇪🇸 Spain · Writers1.6
  25. 25Venustiano CarranzaVenustiano Carranza1859–1920 · 19th century · 🇲🇽 Mexico · Politicians1.6
  26. 26Gabriela MistralGabriela Mistral1889–1957 · 20th century · Writers1.5
  27. 27Octavio PazOctavio Paz1914–1998 · 20th century · 🇲🇽 Mexico · Writers1.5
  28. 28John of AustriaJohn of Austria1547–1578 · 16th century · 🇪🇸 Spain · Politicians1.5
  29. 29Garcilaso de la VegaGarcilaso de la Vega1503–1536 · 16th century · 🇪🇸 Spain · Writers1.5
  30. 30Pedro de AlvaradoPedro de Alvarado1486–1541 · 16th century · 🇪🇸 Spain · Historical Figures1.5
  31. 31Pedro de ValdiviaPedro de Valdivia1497–1553 · 16th century · 🇪🇸 Spain · Politicians1.4
  32. 32Tirso de MolinaTirso de Molina1583–1648 · 17th century · 🇪🇸 Spain · Writers1.3
  33. 33Francisco de BorjaFrancisco de Borja1441–1511 · 15th century · Writers1.3
  34. 34Francis Borgia, 4th Duke of GandíaFrancis Borgia, 4th Duke of Gandía1510–1572 · 16th century · Politicians1.3
  35. 35Luis de LeónLuis de León1527–1591 · 16th century · 🇪🇸 Spain · Writers1.3
  36. 36Ignatius of LoyolaIgnatius of Loyola1491–1556 · 16th century · 🇪🇸 Spain · Religious Figures1.3
  37. 37Juan Vicente GómezJuan Vicente Gómez1857–1935 · 19th century · Politicians1.3
  38. 38Juan Manuel de RosasJuan Manuel de Rosas1793–1877 · 19th century · 🇦🇷 Argentina · Politicians1.2
  39. 39Ricardo PalmaRicardo Palma1833–1919 · 19th century · Writers1.2
  40. 40Pablo NerudaPablo Neruda1904–1973 · 20th century · Writers1.2
  41. 41Bernardino RivadaviaBernardino Rivadavia1780–1845 · 19th century · 🇦🇷 Argentina · Politicians1.1
  42. 42Francisco I. MaderoFrancisco I. Madero1873–1913 · 20th century · 🇲🇽 Mexico · Activists1.1
  43. 43Francisco de Toledo, Count of OropesaFrancisco de Toledo, Count of Oropesa1515–1582 · 16th century · 🇪🇸 Spain · Politicians1.1
  44. 44Nicolás AntonioNicolás Antonio1617–1684 · 17th century · 🇪🇸 Spain · Politicians1.1
  45. 45Felipe GonzálezFelipe Gonzálezborn 1942 · 20th century · 🇪🇸 Spain · Politicians1.1
  46. 46Sor Juana Inés de la CruzSor Juana Inés de la Cruz1651–1695 · 17th century · 🇲🇽 Mexico · Writers1.0
  47. 47José HernándezJosé Hernández1834–1886 · 19th century · 🇦🇷 Argentina · Writers1.0
  48. 48Manuel BelgranoManuel Belgrano1770–1820 · 19th century · 🇦🇷 Argentina · Politicians1.0
  49. 49Diego de AlmagroDiego de Almagro1475–1538 · 16th century · 🇪🇸 Spain · Historical Figures1.0
  50. 50Diego VelázquezDiego Velázquez1599–1660 · 17th century · 🇪🇸 Spain · Artists1.0
  51. 51Francis SolanusFrancis Solanus1549–1610 · 16th century · 🇪🇸 Spain1.0
  52. 52Pope Alexander VIPope Alexander VI1431–1503 · 15th century · 🇪🇸 Spain · Religious Figures1.0
  53. 53John I of FranceJohn I of France1316–1316 · 14th century · 🇫🇷 France · Historical Figures0.99
  54. 54Jorge Luis BorgesJorge Luis Borges1899–1986 · 20th century · 🇦🇷 Argentina · Writers0.97
  55. 55Fernán González of CastileFernán González of Castile910–970 · 10th century0.94
  56. 56Francisco de VillagraFrancisco de Villagra1511–1563 · 16th century · 🇪🇸 Spain · Historical Figures0.94
  57. 57Federico García LorcaFederico García Lorca1898–1936 · 20th century · 🇪🇸 Spain · Writers0.91
  58. 58Bernardo O'HigginsBernardo O'Higgins1778–1842 · 19th century · 🇪🇸 Spain · Politicians0.90
  59. 59Emiliano ZapataEmiliano Zapata1879–1919 · 20th century · 🇲🇽 Mexico · Activists0.88
  60. 60Victoriano HuertaVictoriano Huerta1850–1916 · 19th century · 🇲🇽 Mexico · Politicians0.87
  61. 61Cipriano CastroCipriano Castro1858–1924 · 19th century · Politicians0.84
  62. 62María de JesúsMaría de Jesús1560–1640 · 16th century · 🇪🇸 Spain0.84
  63. 63César VallejoCésar Vallejo1892–1938 · 20th century · Writers0.83
  64. 64Carlos PellegriniCarlos Pellegrini1846–1906 · 19th century · 🇦🇷 Argentina · Journalists0.83
  65. 65Bernal Díaz del BrawlBernal Díaz del Brawl1492–1584 · 16th century · 🇪🇸 Spain · Historical Figures0.81
  66. 66Vincent FerrerVincent Ferrer1350–1419 · 14th century · 🇪🇸 Spain · Religious Figures0.80
  67. 67Domingo Faustino SarmientoDomingo Faustino Sarmiento1811–1888 · 19th century · 🇦🇷 Argentina · Politicians0.79
  68. 68Francisco de VitoriaFrancisco de Vitoria1480–1546 · 16th century · 🇪🇸 Spain · Academics0.79
  69. 69Francisco QuevedoFrancisco Quevedo1584–1645 · 17th century · 🇪🇸 Spain · Writers0.78
  70. 70Diego RiveraDiego Rivera1886–1957 · 20th century · 🇲🇽 Mexico · Designers0.78
  71. 71Carlos FuentesCarlos Fuentes1928–2012 · 20th century · 🇲🇽 Mexico · Writers0.77
  72. 72JuanesJuanesborn 1972 · 21st century · Musicians0.76
  73. 73Juan de GarayJuan de Garay1528–1583 · 16th century · 🇪🇸 Spain0.76
  74. 74Pedro SánchezPedro Sánchezborn 1972 · 21st century · 🇪🇸 Spain · Politicians0.76
  75. 75Roque Sáenz PeñaRoque Sáenz Peña1851–1914 · 19th century · 🇦🇷 Argentina · Politicians0.75
  76. 76Jorge Juan y SantaciliaJorge Juan y Santacilia1713–1773 · 18th century · 🇪🇸 Spain · Scientists0.75
  77. 77LDLope de Aguirre1510–1561 · 16th century · 🇪🇸 Spain0.74
  78. 78Pío BarojaPío Baroja1872–1956 · 20th century · 🇪🇸 Spain · Writers0.74
  79. 79Hernando PizarroHernando Pizarro1502–1578 · 16th century · 🇪🇸 Spain · Historical Figures0.73
  80. 80Juan AndrésJuan Andrés1740–1817 · 18th century · 🇪🇸 Spain · Academics0.73
  81. 81Hipólito YrigoyenHipólito Yrigoyen1850–1933 · 19th century · 🇦🇷 Argentina · Politicians0.72
  82. 82Che GuevaraChe Guevara1928–1967 · 20th century · 🇦🇷 Argentina · Activists0.72
  83. 83Marcelino Menéndez y PelayoMarcelino Menéndez y Pelayo1856–1912 · 19th century · 🇪🇸 Spain · Academics0.72
  84. 84Antonio José de SucreAntonio José de Sucre1795–1830 · 19th century · Politicians0.71
  85. 85Francisco de MirandaFrancisco de Miranda1750–1816 · 18th century · 🇪🇸 Spain · Politicians0.71
  86. 86Ernesto ZedilloErnesto Zedilloborn 1951 · 20th century · 🇲🇽 Mexico · Politicians0.71
  87. 87José Ortega y GassetJosé Ortega y Gasset1883–1955 · 20th century · 🇪🇸 Spain · Academics0.70
  88. 88Gabriel García MárquezGabriel García Márquez1927–2014 · 20th century · Writers0.69
  89. 89Salvador AllendeSalvador Allende1908–1973 · 20th century · Politicians0.68
  90. 90Francisco de Paula SantanderFrancisco de Paula Santander1792–1840 · 19th century · Politicians0.67
  91. 91Lope de RuedaLope de Rueda1505–1566 · 16th century · 🇪🇸 Spain · Writers0.67
  92. 92Juan MontalvoJuan Montalvo1832–1889 · 19th century · Writers0.66
  93. 93Jose Miguel CarreraJose Miguel Carrera1785–1821 · 19th century · Politicians0.64
  94. 94Fernando GonzálezFernando Gonzálezborn 1980 · 21st century · Tennis Players0.63
  95. 95Gonzalo Fernández de Oviedo y ValdésGonzalo Fernández de Oviedo y Valdés1478–1557 · 16th century · 🇪🇸 Spain · Writers0.63
  96. 96Mario Vargas LlosaMario Vargas Llosa1936–2025 · 20th century · Writers0.62
  97. 97Peter of AlcantaraPeter of Alcantara1499–1562 · 16th century · 🇪🇸 Spain0.61
  98. 98Juan Bautista AlberdiJuan Bautista Alberdi1810–1884 · 19th century · 🇦🇷 Argentina · Politicians0.61
  99. 99Francisco de AguirreFrancisco de Aguirre1507–1581 · 16th century · 🇪🇸 Spain · Historical Figures0.60
  100. 100Julio CortázarJulio Cortázar1914–1984 · 20th century · 🇦🇷 Argentina · Writers0.58

Lived then

The most notable people whose working lives fell in the 20th century, ranked where Wikipedia coverage and readership agree.

  1. 1Albert CamusAlbert Camus1913–1960 · 🇫🇷 France · Academics8 decades
  2. 2Simone de BeauvoirSimone de Beauvoir1908–1986 · 🇫🇷 France · Academics8 decades
  3. 3Jean-Paul SartreJean-Paul Sartre1905–1980 · 🇫🇷 France · Academics9 decades
  4. 4Michel FoucaultMichel Foucault1926–1984 · 🇫🇷 France · Academics8 decades
  5. 5Simone WeilSimone Weil1909–1943 · 🇫🇷 France · Academics9 decades
  6. 6Pierre BourdieuPierre Bourdieu1930–2002 · 🇫🇷 France · Academics7 decades
  7. 7Gilles DeleuzeGilles Deleuze1925–1995 · 🇫🇷 France · Academics7 decades
  8. 8Jacques DerridaJacques Derrida1930–2004 · 🇫🇷 France · Academics6 decades
  9. 9Dominique Strauss-KahnDominique Strauss-Kahnborn 1949 · 🇫🇷 France · Academics4 decades
  10. 10Jean BaudrillardJean Baudrillard1929–2007 · 🇫🇷 France · Academics6 decades
  11. 11Roland BarthesRoland Barthes1915–1980 · 🇫🇷 France · Academics8 decades
  12. 12Claude Lévi-StraussClaude Lévi-Strauss1908–2009 · 🇫🇷 France · Academics8 decades
  13. 13Louis AlthusserLouis Althusser1918–1990 · 🇫🇷 France · Academics6 decades
  14. 14Alexander GrothendieckAlexander Grothendieck1928–2014 · 🇫🇷 France · Academics0 decades
  15. 15Pierre Teilhard de ChardinPierre Teilhard de Chardin1881–1955 · 🇫🇷 France · Academics8 decades
  16. 16Julia KristevaJulia Kristevaborn 1941 · 🇫🇷 France · Academics6 decades
  17. 17Yann Le CunYann Le Cunborn 1960 · 🇫🇷 France · Academicsnot measured
  18. 18Maurice Merleau-PontyMaurice Merleau-Ponty1908–1961 · 🇫🇷 France · Academics8 decades
  19. 19Emmanuel LevinasEmmanuel Levinas1906–1995 · 🇫🇷 France · Academics7 decades
  20. 20Edgar MorinEdgar Morin1921–2026 · 🇫🇷 France · Academicsnot measured
  21. 21Jean MonnetJean Monnet1888–1979 · 🇫🇷 France · Academics13 decades
  22. 22Paul RicœurPaul Ricœur1913–2005 · 🇫🇷 France · Academics7 decades
  23. 23André GlucksmannAndré Glucksmann1937–2015 · 🇫🇷 France · Academicsnot measured
  24. 24Alain FinkielkrautAlain Finkielkrautborn 1949 · 🇫🇷 France · Academicsnot measured
  25. 25Raymond AronRaymond Aron1905–1983 · 🇫🇷 France · Academics9 decades
  26. 26Bruno LatourBruno Latour1947–2022 · 🇫🇷 France · Academics4 decades
  27. 27Michel OnfrayMichel Onfrayborn 1959 · 🇫🇷 France · Academicsnot measured
  28. 28Nikolai BerdyaevNikolai Berdyaev1874–1948 · 🇫🇷 France · Academics12 decades
  29. 29Jean-François LyotardJean-François Lyotard1924–1998 · 🇫🇷 France · Academics5 decades
  30. 30Jacques AttaliJacques Attaliborn 1943 · 🇫🇷 France · Academicsnot measured
  31. 31Jacques DelorsJacques Delors1925–2023 · 🇫🇷 France · Academics7 decades
  32. 32Félix GuattariFélix Guattari1930–1992 · 🇫🇷 France · Academicsnot measured
  33. 33Alain de BenoistAlain de Benoistborn 1943 · 🇫🇷 France · Academicsnot measured
  34. 34Henri LefebvreHenri Lefebvre1901–1991 · 🇫🇷 France · Academicsnot measured
  35. 35Jacques EllulJacques Ellul1912–1994 · 🇫🇷 France · Academicsnot measured
  36. 36Philippe AghionPhilippe Aghionborn 1956 · 🇫🇷 France · Academicsnot measured
  37. 37Jacques MaritainJacques Maritain1882–1973 · 🇫🇷 France · Academics11 decades
  38. 38Jean TiroleJean Tiroleborn 1953 · 🇫🇷 France · Academics2 decades
  39. 39André WeilAndré Weil1906–1998 · 🇫🇷 France · Academicsnot measured
  40. 40Hélène CixousHélène Cixousborn 1937 · 🇫🇷 France · Academics6 decades
  41. 41Jean-Pierre SerreJean-Pierre Serreborn 1926 · 🇫🇷 France · Academicsnot measured
  42. 42Alexandre KojèveAlexandre Kojève1902–1968 · 🇫🇷 France · Academicsnot measured
  43. 43Roger GaraudyRoger Garaudy1913–2012 · 🇫🇷 France · Academics8 decades
  44. 44Marcel MaussMarcel Mauss1872–1950 · 🇫🇷 France · Academics11 decades
  45. 45AlainAlain1868–1951 · 🇫🇷 France · Academicsnot measured
  46. 46Gabriel MarcelGabriel Marcel1889–1973 · 🇫🇷 France · Academics14 decades
  47. 47Jacques RancièreJacques Rancièreborn 1940 · 🇫🇷 France · Academicsnot measured
  48. 48Cornelius CastoriadisCornelius Castoriadis1922–1997 · 🇫🇷 France · Academicsnot measured
  49. 49Michel SerresMichel Serres1930–2019 · 🇫🇷 France · Academicsnot measured
  50. 50Georges DumézilGeorges Dumézil1898–1986 · 🇫🇷 France · Academicsnot measured
  51. 51Laurent SchwartzLaurent Schwartz1915–2002 · 🇫🇷 France · Academicsnot measured
  52. 52Jean-Claude TrichetJean-Claude Trichetborn 1942 · 🇫🇷 France · Academicsnot measured
  53. 53Philippe SollersPhilippe Sollers1936–2023 · 🇫🇷 France · Academicsnot measured
  54. 54VJVladimir Jankélévitch1903–1985 · 🇫🇷 France · Academicsnot measured
  55. 55Samir AminSamir Amin1931–2018 · 🇫🇷 France · Academicsnot measured
  56. 56Jacques HadamardJacques Hadamard1865–1963 · 🇫🇷 France · Academics12 decades
  57. 57Henri LebesgueHenri Lebesgue1875–1941 · 🇫🇷 France · Academicsnot measured
  58. 58Émile BorelÉmile Borel1871–1956 · 🇫🇷 France · Academics11 decades
  59. 59Henri de LubacHenri de Lubac1896–1991 · 🇫🇷 France · Academicsnot measured
  60. 60MDMichel de Certeau1925–1986 · 🇫🇷 France · Academicsnot measured
  61. 61Élie CartanÉlie Cartan1869–1951 · 🇫🇷 France · Academicsnot measured
  62. 62Bernard StieglerBernard Stiegler1952–2020 · 🇫🇷 France · Academicsnot measured
  63. 63Eva IllouzEva Illouzborn 1961 · 🇫🇷 France · Academicsnot measured
  64. 64André GorzAndré Gorz1923–2007 · 🇫🇷 France · Academicsnot measured
  65. 65Emmanuel MounierEmmanuel Mounier1905–1950 · 🇫🇷 France · Academicsnot measured
  66. 66Maurice HalbwachsMaurice Halbwachs1877–1945 · 🇫🇷 France · Academicsnot measured
  67. 67Germaine TillionGermaine Tillion1907–2008 · 🇫🇷 France · Academicsnot measured
  68. 68HCHenry Corbin1903–1978 · 🇫🇷 France · Academicsnot measured
  69. 69Yves LacosteYves Lacoste1929–2026 · 🇫🇷 France · Academicsnot measured
  70. 70Paul VirilioPaul Virilio1932–2018 · 🇫🇷 France · Academicsnot measured
  71. 71Jean-Luc NancyJean-Luc Nancy1940–2021 · 🇫🇷 France · Academicsnot measured
  72. 72Alain ConnesAlain Connesborn 1947 · 🇫🇷 France · Academicsnot measured
  73. 73Jean-Luc MarionJean-Luc Marionborn 1946 · 🇫🇷 France · Academicsnot measured
  74. 74Georges CanguilhemGeorges Canguilhem1904–1995 · 🇫🇷 France · Academicsnot measured
  75. 75Étienne BalibarÉtienne Balibarborn 1942 · 🇫🇷 France · Academicsnot measured
  76. 76Paul NizanPaul Nizan1905–1940 · 🇫🇷 France · Academicsnot measured
  77. 77Henri CartanHenri Cartan1904–2008 · 🇫🇷 France · Academicsnot measured
  78. 78Maxim KontsevichMaxim Kontsevichborn 1964 · 🇫🇷 France · Academicsnot measured
  79. 79Jean RostandJean Rostand1894–1977 · 🇫🇷 France · Academicsnot measured
  80. 80André Comte-SponvilleAndré Comte-Sponvilleborn 1952 · 🇫🇷 France · Academicsnot measured
  81. 81ÉBÉmile Benveniste1902–1976 · 🇫🇷 France · Academicsnot measured
  82. 82Philippe ArièsPhilippe Ariès1914–1984 · 🇫🇷 France · Academicsnot measured
  83. 83Nikos PoulantzasNikos Poulantzas1936–1979 · 🇫🇷 France · Academicsnot measured
  84. 84François JacobFrançois Jacob1920–2013 · 🇫🇷 France · Academics6 decades
  85. 85AKAlexandre Koyré1892–1964 · 🇫🇷 France · Academicsnot measured
  86. 86René ThomRené Thom1923–2002 · 🇫🇷 France · Academicsnot measured
  87. 87Alain TouraineAlain Touraine1925–2023 · 🇫🇷 France · Academicsnot measured
  88. 88Arnold van GennepArnold van Gennep1873–1957 · 🇫🇷 France · Academicsnot measured
  89. 89Louis MassignonLouis Massignon1883–1962 · 🇫🇷 France · Academicsnot measured
  90. 90Michel Marcel NavratilMichel Marcel Navratil1908–2001 · 🇫🇷 France · Academicsnot measured
  91. 91Pierre HadotPierre Hadot1922–2010 · 🇫🇷 France · Academicsnot measured
  92. 92Jean-Pierre RampalJean-Pierre Rampal1922–2000 · 🇫🇷 France · Academicsnot measured
  93. 93Reginald Garrigou-LagrangeReginald Garrigou-Lagrange1877–1964 · 🇫🇷 France · Academicsnot measured
  94. 94Olivier BlanchardOlivier Blanchardborn 1948 · 🇫🇷 France · Academicsnot measured
  95. 95Marc AugéMarc Augé1935–2023 · 🇫🇷 France · Academicsnot measured
  96. 96Bernard MarisBernard Maris1946–2015 · 🇫🇷 France · Academicsnot measured
  97. 97Maurice AllaisMaurice Allais1911–2010 · 🇫🇷 France · Academics8 decades
  98. 98Jacqueline de RomillyJacqueline de Romilly1913–2010 · 🇫🇷 France · Academicsnot measured
  99. 99Jean HyppoliteJean Hyppolite1907–1968 · 🇫🇷 France · Academicsnot measured
  100. 100Jean DieudonnéJean Dieudonné1906–1992 · 🇫🇷 France · Academicsnot measured

How this is measured

  • Placing people in time. Each person belongs to the century in which they were most active — around age 35, and never after their death.
  • Who ranks highest. Within a century, people are ranked where two independent signals agree: how many of the world’s Wikipedia language editions cover them, and how many people actually read about them. Article counts alone can be lifted by a person’s own circle; readers cannot.
  • Fame in print. The curves count how often a name appears in Google Books from 1800 to 2019, as a share of all the words printed each year, in the person’s own language wherever that corpus exists. Those decades are over, so each measurement is made once and kept.
  • What is left out. A lifetime is measured only from 1820, when there is enough print to judge; the five years after a death are skipped as obituaries; and a name shared with someone equally notable is credited to neither.